Sponsor Area

Human Health And Disease

Question
CBSEENBI12000569

Define the following :

(1) Malignant tumours (ii) Carcinogenic.

Solution
(i) Malignant tumours. are those which grow very rapidly , invade and damage the neighbouring cells and possess the feature of metastasis.

(ii) Carcinogenic. The factors which cause cancer are known as carcinogenic factors or carcinogens e.g. Chewing of tobacco, UV- radiations etc.